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<?php function refArray($arr) { return $refs; } $arr = [3, "hello", 0.8, null]; $refs = []; foreach ($arr as $key => $value) $refs[$key] = &$arr[$key]; $copy = $arr; var_dump($arr); var_dump($refs); var_dump($copy);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> &int(3) [1]=> &string(5) "hello" [2]=> &float(0.8) [3]=> &NULL } array(4) { [0]=> &int(3) [1]=> &string(5) "hello" [2]=> &float(0.8) [3]=> &NULL } array(4) { [0]=> &int(3) [1]=> &string(5) "hello" [2]=> &float(0.8) [3]=> &NULL }

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